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Single-color screen patterns for copy protection

Patent Number: 8444181
Publication Date: 2013-05-21
Inventors: ; ;

A verifiable/copy-protected document features a combination of nearly identical line-screen patterns for embedding latent images within visually integrated settings. The latent images can be detected for purposes of verification with a matching viewer but are indistinguishable from their visually integrated settings under ordinary viewing conditions. The line-screen patterns, which can be incorporated into document artwork, are printed at certain combinations of line frequencies and print ...

Printed article with special effect coating

Patent Number: 8439403
Publication Date: 2013-05-14
Inventors: ;

A printed article is disclosed having a light transmissive substrate having a reverse printed region on a surface thereof in the form of a plurality of very closely spaced printed lines or regions. The printed regions and spaces therebetween are subsequently flood coated with special effect ink such as optically variable ink wherein the ink particle size is on average greater than the gap between reverse printed regions. The image is viewed from the non-printed side of the substrate and ...

Optical structure, in particular for a security document and/or a document of value

Patent Number: 8439402
Publication Date: 2013-05-14
Inventors: ;

An optical structure comprising first and second opposite outside faces, at least a first interface comprising a first screen of microreliefs and arranged in such a manner that travel through the first interface from the first outside face towards the second outside face, passes from a first medium having a first refractive index to a second medium having a second refractive index that is greater than the first, and at least one second interface comprising a second screen of microreliefs ...

Method for facilitating a multi-lingual game

Patent Number: 8434792
Publication Date: 2013-05-07
Inventor:

A method for facilitating multi-lingual play of a game on a single game card includes providing a game play area on the game card. A first set of game instructions are provided on the game card printed in a first language. A second set of the game instructions in a different second printed language over superimposed over the first set of game instructions. An indicator is provided on the game card to convey that the first set of game instructions are present and accessible by removing the ...

Lottery transaction mechanisms

Patent Number: 8434791
Publication Date: 2013-05-07
Inventors: ; ;

Described are a number of mechanisms that can reduce transaction costs and increase the economic viability of a number of products. Included is a combination instant lottery ticket and debit card that makes it possible to issue prepaid debit cards having a relatively low monetary value. Also included is a combination on-line ticket/receipt and debit card that can automate the prize paying process, simplifying the retailer's responsibilities while reducing the potential for fraud. Various ...